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Add 84/4 and 10/15

1st number: 21 0/4, 2nd number: 10/15

84/4 + 10/15 is 65/3.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 15 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 4 × 15 = 60,
    84/4 = 84 × 15/4 × 15 = 1260/60
  3. Likewise, for the 2nd fraction, since 15 × 4 = 60,
    10/15 = 10 × 4/15 × 4 = 40/60
  4. Add the two like fractions:
    1260/60 + 40/60 = 1260 + 40/60 = 1300/60
  5. 1300/60 simplified gives 65/3
  6. So, 84/4 + 10/15 = 65/3
    In mixed form: 212/3

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